eolivelli opened a new issue #10258:
URL: https://github.com/apache/pulsar/issues/10258
**Describe the bug**
I am seeing this error in broker logs, 2.7.1
```
21:41:10.575 [pulsar-ordered-OrderedExecutor-5-40] ERROR
org.apache.zookeeper.server.NIOServerCnxnFactory - Thread
Thread[pulsar-ordered-OrderedExecutor-5-40,5,main] died
java.lang.NullPointerException: null
at
org.apache.pulsar.common.protocol.Commands.hasChecksum(Commands.java:499)
~[org.apache.pulsar-pulsar-common-2.7.1.jar:2.7.1]
at
org.apache.pulsar.common.protocol.Commands.skipChecksumIfPresent(Commands.java:513)
~[org.apache.pulsar-pulsar-common-2.7.1.jar:2.7.1]
at
org.apache.pulsar.common.protocol.Commands.skipMessageMetadata(Commands.java:542)
~[org.apache.pulsar-pulsar-common-2.7.1.jar:2.7.1]
at
org.apache.pulsar.broker.service.AbstractBaseDispatcher.lambda$handleTxnAbortMarker$0(AbstractBaseDispatcher.java:223)
~[org.apache.pulsar-pulsar-broker-2.7.1.jar:2.7.1]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
~[?:1.8.0_282]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
~[?:1.8.0_282]
at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
~[io.netty-netty-common-4.1.51.Final.jar:4.1.51.Final]
```
**To Reproduce**
I still do not have a reproducer
**Expected behavior**
No error in logs
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